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Study finds that two annual vaccinations can 100% prevent HIV infection

Study finds that two annual vaccinations can 100% prevent HIV infection

 


A twice-yearly injection could help prevent HIV infection, according to new research being described as a breakthrough by medical experts.

A randomized trial of more than 5,000 young women and girls in South Africa and Uganda found that none of those who received the vaccine became infected with HIV. Published The findings were published Wednesday in the New England Journal of Medicine.

“This appears to be a new breakthrough in HIV prevention. If this injection were widely available at low cost it could dramatically reduce the risk of new HIV infections around the world,” said Sarah Palmer, co-director of the Centre for Virus Research at the Westmead Institute of Medical Research in Sydney, who was not involved in the peer-reviewed study. “The focus of this study on young women in Africa, who are at very high risk of HIV infection, is particularly encouraging.”

Approximately 1.3 million people are newly infected with HIV worldwide. Every yearOf these, women and girls account for 44 percent. In sub-Saharan Africa, the figure is 62 percent.

The vaccine is made by Gilead Sciences, the pharmaceutical company that funded the clinical trials, and some of the researchers were Gilead employees. Lenacapavir is sold under the brand name Sanrenca. As a treatment A clinical trial for HIV infection in the United States. The purpose of this trial was to demonstrate safety and effectiveness in preventing infection in adolescent girls and young women. A separate trial in men is currently underway.

The researchers said that because it became clear that the injections were more effective than the daily pills (1.5-1.8 percent of participants who took two pills daily as part of the trial contracted HIV from their partners), the trial was stopped and all participants were given the option to continue with the injections. They also found that the incidence of HIV infection from injections was lower than the usual rate of HIV infection in the community.

HIV can be prevented through preventative measures such as condoms and a daily pill, which are widely used in high-income countries around the world. But in places like Africa, where limited access to health care and a lack of education programs put girls at particular risk of HIV infection, medical experts say maintaining a daily pill habit can be difficult.

Doctors Without Borders and other groups have called for global action. Breaking the Gilead Monopoly Gilead is investing in lenacapavir to enable mass production and reduce costs. Gilead sells lenacapavir in the United States for $42,250 per patient per year.

“Lenacapavir has the potential to transform the lives of people at risk of HIV infection and, if it becomes affordable in countries with the highest rates of new infections, it could help reverse the epidemic,” said Helen Bygrave, Chronic Disease Advisor at Médecins Sans Frontières.

Gilead was previously Efforts to lower Cost of medicines in low-income countries.

Sources

1/ https://Google.com/

2/ https://www.washingtonpost.com/health/2024/07/25/hiv-prevention-shot/

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